Name: Omron NJ Series
Brand: Omron
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2-1

NJ-series CPU Unit Software User’s Manual (W501)

This section provides information that is necessary to use the CPU Unit, including how

the CPU Unit works and the operations that it performs depending on the status of the

CPU Unit.

2-1 Overview of CPU Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2-1-1 Introduction to CPU Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2-1-2 Overview of Operation According to CPU Unit Status . . . . . . . . . . . . . . . . . . . 2-3

2-2 Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2-2-1 Software Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2-2-2 Operation of Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2-3 Accessing I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2-3-1 Types of Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

2-3-2 Accessing I/O with Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

2-4 Sequence Control and Motion Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

2-4-1 Overview of Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

2-4-2 Sequence Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20

2-4-3 Motion Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21

2-4-4 Synchronizing Sequence Control and Motion Control . . . . . . . . . . . . . . . . . . 2-22

2-5 Overview of CPU Unit Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

2-6 Operation for CPU Unit Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25

2-6-1 CPU Unit Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25

2-6-2 Operation for CPU Unit Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27

2-6-3 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28

CPU Unit Operation

Omron NJ Series Specifications

General

Omron NJ Series User Manual

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